Palis, Prescilla, and Mohd Saidin Misnan. “A Review of Key Factors That Affect University Building Maintenance Costs”. International Journal of Engineering & Technology 7, no. 3.25 (August 14, 2018): 32–34. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/17466.